High-speed steel

Details High-speed steel High-speed steel

1978-12-27

1980-12-30

Rutledge, L. DeWayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75126E, 75126F, 75126H, 75126P, C22C 3822

Patent

active

042421306

ABSTRACT:
Disclosed herein is a highly wear-resistant, corrosion-resistant steel having high thermal resistance and tempering stability which consists of Fe; 0.7-1.7%C; 0.01-0.08%N; 0.02-1.5%B; 0.01-1.5% Si; 0.01-1.0% Mn; 5.0-15.0% Co; 3.0-7.0% Cr; 13.0-20.0% Mo; 0.02-2.0% Nb and/or Ta. The steel may additionally contain up to 10.0% W and up to 5.0% V.

REFERENCES:
patent: 2099509 (1937-11-01), Blessing
patent: 2147122 (1939-02-01), Emmons
patent: 3627514 (1971-12-01), Steven
patent: 3809541 (1974-05-01), Steven
patent: 3850621 (1974-11-01), Haberling et al.
patent: 4021205 (1977-05-01), Matsuda et al.
patent: 4032302 (1977-06-01), Nakamura et al.
patent: 4080205 (1978-03-01), Niimi et al.
patent: 4121929 (1978-10-01), Kawai et al.

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